- Networks Security
- Firewall
- authorized clients
- root access
- mysql_secure_installation
- Operating System Security
- Firewall
- Network
- Privilege
- File Systems
- MySQL programs
- Database directories and files
- Log, status, and configuration files
- MySQL Security
- 初始化root密码
- MySQL 5.7安装后随机生成的root密码
grep 'temporary password' /var/log/mysqld.log